As a child growing up in Holland, Leo Lionni taught himself how to draw and later became an author and illustrator of children's books. Leo Lionni is the winner of four Caldecott awards.
Today is Leo Lionni's birthday.
Snowflake Bentley illustrator Mary Azarian was born in 1940.
Students catch snowflakes outdoors and sketch some of the structures, or grow their own snow crystals and examine them using magnifying glasses or microscopes.